<!DOCTYPE html>
<body>
  <style>
    @font-face {
      font-family: Ahem;
      src: url(../fonts/Ahem.ttf);
    }
    #a { font-family: Ahem }
  </style>
  <p id=a>First</p>
  <p style="color: blue">Second</p>
  <p>Third</p>
</body>
